Hometown Holidays is a three-day fest at Rockville (Md.) Town Square, with live music, kids' rides, arts and crafts, the Taste of Rockville food fest, and a Memorial Day parade. Music includes New Orleans' Bruce Daigrepont Cajun Band and Papa Grows Funk. Sat.-Sun. 1-10 p.m.; Mon. 9 a.m.-1 p.m.; free admission.

Viva Vienna! at the Freeman House (131 Church St. N.E., Vienna, Va.) includes a Memorial Day ceremony and festival with music, food, rides and entertainment. Sat.-Sun. 10 a.m.-10 p.m.; Mon., May 31 10 a.m.-6 p.m.; free admission.

SATURDAY, MAY 29

Memorial Day Weekend Preview for the Beach Bound

More than 350,000 vehicles are expected to pass the Bay Bridge Memorial Day weekend, the unofficial start of summer 2010.

(Published Wednesday, May 26, 2010)

The Corcoran Gallery of Art is holding Free Summer Saturdays (500 7th St. N.W.) through Labor Day Weekend, which offer free admission, plus special programs and activities. This weekend's events include tours of the collection and sketching in the atrium with a life model and all materials provided. Gallery 10 a.m.-5 p.m.; activities noon-3 p.m.; free.

The Brightest Young Things Summer Camp hosts the CAMP CAMP pool party at the Capitol Skyline Hotel (10 I St. N.W.). Grab a trashy bikini or Speedo -- and don't forget your lawn ornaments to relax by the pool. Drink specials and tastings come from Jeremiah Weed sweet tea vodka. Noon-8 p.m.; $15.

SUNDAY, MAY 30

The PBS National Memorial Day Concert, cohosted by actors Joe Mantegna and Gary Sinise, is on the West Lawn of the U.S. Capitol. Lionel Richie, Brad Paisley, the National Symphony Orchestra and others will perform. Gates 5 p.m.; show 8 p.m.; free.

All weekend long, Vietnam veterans will be in town to participate in the Rolling Thunder motorcycle rally to bring attention to veterans' and POW/MIA issues. On Sunday, bikers will leave the Pentagon at noon to roll across the Memorial Bridge and along the National Mall. Program and music 1:30 p.m. at the reflecting pool; free.

The National Memorial Day Parade features marching bands and veterans units from all 50 states. It kicks off at the corner of Constitution Avenue and 7th Street N.W., moving along Constitution and ending at 17th Street N.W. 2 p.m.; free.

The Memorial Day Jazz Festival at the Fort Ward Museum and Historic Site (4301 W. Braddock Road, Alexandria) features the Jazz Ambassadors Dixieland Band, the Joe Baione Trio, Al Williams, the Larry Brown Quintet and the Kaleidoscope Orchestra. Pets and alcohol are not permitted. 1-7 p.m.; free.

The Memorial Day Chili Cook-Off at Cafe Saint-Ex (1847 14th St. N.W.) is back for a second year. Local chili masters will compete against Saint-Ex and Bar Pilar exec chefs. All chili and lemonade proceeds will benefit the Fillmore Arts Center, a D.C. Public Schools arts program that provides arts education for public school students. Noon-5 p.m.

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